Question

2. Calcule o valor das expressões:
a) 30-(5+3) =
b) 15+(8+2) =
c) 15-(10-1-3) =
d) 23-(2+8)-7 =
e) (10+5)-(1+6) =
f) 7-(8-3)+1=
a) 35-[10+(8-4)] =
b) 32+[10-(9-4)]
c) 45-[12-(4+2)] =​

Answer 1

a)22
b)5
c)1
d)20
e)8
f)1
a)21
b)37
c)39